Rose of Sharon 'Diana'

Hibiscus syriacus 'Diana'

Rose of Sharon 'Diana' (Hibiscus syriacus 'Diana') is a variety characterized by its beautiful white flowers. I will explain this variety's growth characteristics, propagation methods, cultivation techniques, garden uses, and important pests and diseases and control methods.

Growth Characteristics
- Flower Color: It features pure white flowers and is characterized by the absence of a folded neck.
- Flowering Season: It blooms from summer to autumn.
- Height and Size: It grows to approximately 1.5 to 2.5 meters when mature.
- Cold Hardiness: It possesses strong cold hardiness and adapts well to the Korean climate.

Propagation Methods
- Cuttings: This is the most common method of propagation; cuttings from new branches in the spring root well.
- Grafting: It can be propagated by grafting onto a well-developed rootstock.

Cultivation Methods
- Soil: It prefers well-drained soil. While it grows well in acidic or alkaline soils, a neutral pH is most suitable. - Sunlight: Since the more sunlight it receives, the better it blooms, it is recommended to plant it in a sunny location.
- Watering: Water thoroughly, especially immediately after installation; thereafter, adjust watering according to soil conditions.
- Fertilizer: Provide sufficient nutrients during the growing season by using base fertilizer or liquid fertilizer.

Uses in the Garden
- Border Planting: It can be planted along garden borders to serve as a visual boundary.
- Solitary Tree: It can be planted individually to serve as a focal point.
- Street Tree: Its excellent cold and salt tolerance makes it suitable for use as a street tree.

Important Pests and Control Methods
- Diseases: Leaf spot or powdery mildew may occur. To prevent this, it is recommended to ensure proper ventilation and use organic fungicides when diseases occur.
- Pests: Ants and aphids may appear; control them using eco-friendly insecticides if necessary.
- Preventive Measures: Regular observation and prompt action at the early stages of pest infestation are crucial. The Rose of Sharon 'Diana' can grow beautifully and healthily through these characteristics and care methods.

Plant Family	Malvaceae
Height	2.5~4m
Spread	90~180cm
Colors	white
Bloom Period	July~August
Water Needs	commonly
Exposure	Sunny
Freezing Resistance	-15°C

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